YouTube takes on TikTok with expanded Shopify partnershipYouTube is positioning itself against the rising popularity of TikTok Shop by giving Shopify retailers more selling options. YouTube introduces new curation tool for sellersSellers on the YouTube video platform have a new tool for building their online stores. YouTube, TikTok top list of teens’ most used social platforms Despite growing concerns about the impact of social media on the nation’s youth, teens continue to use these platforms at high, “almost constant” rates.